>From: Matthias Schniedermeyer <[EMAIL PROTECTED]>



>cdrecord has a problem with SCSI-(RAID)-Controllers that don't allocate a
>ne scsibus for each Channels.


This is a problem with the Linux SCSI driver structure.


>Yesterday i got a 5 Channel FAST-SCSI RAID-Controller (ICP-Vortex)

>I have 4 CD-Rs and every one has a dedicated channel on the new
>Controller. First i had configured every CD-R to ID-0. But then cdrecord
>could only see the first one. Now i configured every drive with diffrent
>IDs (cdrecord -scanbus attached). But that's not "the(tm)" solution.

>AFAIK other OSses use "Adapter,Channel,ID,Lun" Adresses too. Why does
>cdrecord "only" use "scsibus,ID,Lun" (Hmmm. Do ANY cases exist where the
>LUNs are needed? (i only know 1 case, SCSI2SCSI-Bridges which map the ID
>from the "slave"-Channels to LUNs of the ID on the Main-Channel. But i
>think those bridges are "unusual")


Cdrecord uses what the standard addressing scheme with SCSI is.

A SCSI Bus is an entity where the SCSI ANSI T10 adressing scheme is valid.

T10 defines Target & Lun, the bus is the only layer above.

If you read the Linux SCSI sources it is easy to find that Linux is wrong.
Linux calls a SCSI adapterCARD a Bus which has nothing to do with a SCSI bus.

J�rg

 EMail:[EMAIL PROTECTED] (home) J�rg Schilling D-13353 Berlin
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